VDB
CISA-2026-30851
CISA-2026-30851
PUBLISHED
CVSS 8.1 HIGH
Reported by GitHub_M · Published March 7, 2026
Caddy is an extensible server platform that uses TLS by default. From version 2.10.0 to before version 2.11.2, forward_auth copy_headers does not strip client-supplied headers, allowing identity injection and privilege escalation. This issue has been patched in version 2.11.2.
Risk Scores
CVSS 3.1
8.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| caddyserver | caddy | >= 2.10.0, < 2.11.2 |
| caddyserver | caddy | *, * |
Timeline
- Mar 7, 2026 CVE Published
- Mar 9, 2026 CVE Updated
References
- https://github.com/caddyserver/caddy/security/advisories/GHSA-7r4p-vjf4-gxv4 x_refsource_CONFIRM
- https://github.com/caddyserver/caddy/issues/6610 x_refsource_MISC
- https://github.com/caddyserver/caddy/pull/6608 x_refsource_MISC
- https://github.com/caddyserver/caddy/pull/7545 x_refsource_MISC